Question

You send a beam of light from a material with index of refraction 1.15 into an...

You send a beam of light from a material with index of refraction 1.15 into an unknown material. In order to help identify this material, you determine its index of refraction by measuring the angles of incidence and refraction for which you find the values 40.1 degrees and 36.9 degrees , respectively. What is the index of refraction of the unknown material?

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Answer #1

1.15 By law of refraction 140.1 1.15 x sin 40.1 = n x Sin 36.8 36.9. 1.15 ~ Sin 40.1 = n = Sin 36.9 = 1.23

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